Article ISI
ASTROPHYSICAL JOURNAL  (2012)

TRACKING DOWN THE SOURCE POPULATION RESPONSIBLE FOR THE UNRESOLVED COSMIC 6-8 keV BACKGROUND

Xue Y.Q.; Wang S.X.; Brandt, W. N.; Luo, B; Alexander, D. M.; Bauer, F. E.; Comastri, A; Fabian, A. C.; Gilli, R; Lehmer B.D.; Schneider D.P.; Vignali, C; Young M.